chore: Ability to filter conversations with priority (#10967)

- Ability to filter conversation with priority

---------

Co-authored-by: Shivam Mishra <scm.mymail@gmail.com>
Co-authored-by: Sivin Varghese <64252451+iamsivin@users.noreply.github.com>
Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>

spec/controllers/api/v1/accounts/custom_attribute_definitions_controller_spec.rb

@@ -89,6 +89,30 @@ RSpec.describe 'Custom Attribute Definitions API', type: :request do
         json_response = response.parsed_body
         expect(json_response['attribute_key']).to eq 'developer_id'
       end
+
+      context 'when creating with a conflicting attribute_key' do
+        let(:standard_key) { CustomAttributeDefinition::STANDARD_ATTRIBUTES[:conversation].first }
+        let(:conflicting_payload) do
+          {
+            custom_attribute_definition: {
+              attribute_display_name: 'Conflicting Key',
+              attribute_key: standard_key,
+              attribute_model: 'conversation_attribute',
+              attribute_display_type: 'text'
+            }
+          }
+        end
+
+        it 'returns error for conflicting key' do
+          post "/api/v1/accounts/#{account.id}/custom_attribute_definitions",
+               headers: user.create_new_auth_token,
+               params: conflicting_payload
+
+          expect(response).to have_http_status(:unprocessable_entity)
+          json_response = response.parsed_body
+          expect(json_response['message']).to include('The provided key is not allowed as it might conflict with default attributes.')
+        end
+      end
     end
   end